In early August, blue crab fans took over Lewes, Delaware, for the Crab Pot Jamboree, where the biggest catch was learning how to avoid turning your crab pot into an underwater lost-and-found.

Thousands of acres of woods, and a body of water estimated to be at least 50 feet deep: that’s what the Lamar County Search and Rescue team was up against Monday.

Maritime researchers located the remnants of a long-lost steamer ship off the coast of western Michigan using sonar and historical newspaper accounts. The Michigan Shipwreck Research Association ...